<html>
<head>
    <title>size change page</title>
    <script lang="javascript">
        function enableButton() {
            document.getElementById("first").removeAttribute("disabled");
        }
    </script>
</head>
<body>
<script lang="javascript">
    window.setTimeout(enableButton, 1000);
</script>

<div class="container2">
    <button onclick="location.href='click.html'"
            type="button" id="first" disabled="disabled">Click Me!
    </button>
</div>
<div class="container2">
    <button onclick="location.href='click.html'"
            type="button" id="second" disabled="disabled">Click Me!
    </button>
</div>
</body>
</html>